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1750 Commits

Author SHA1 Message Date
Wayne Warthen
ccda402b9b Add Z180 & Z280 timer config settings 
Allows Z180 & Z280 system periodic timer to be enabled/disabled via config.  Enabled by default.
 2021-03-18 10:37:08 -07:00
Wayne Warthen
9d2e465356 Fix Build 2021-03-17 18:15:40 -07:00
Wayne Warthen
7236aec3fe ZZRCC Disk Image Enhancements 
Bill has provided an improved mechanism to allow ZZRCC to boot directly from CF Card.  This work has been incorporated directly into the diskimage creation process for the ZZRCC disk image.
 2021-03-17 17:59:29 -07:00
Wayne Warthen
75d2cc4dfe Fix CP/M 3 ZZRCC RAM/ROM disk handling 
- Clearing of RAM disk was corrupting non-RAM Disk banks on ZZRCC.
- On ZZRCC, CP/M 3 failed to make RAM/ROM disk DPB adjustments at startup.
 2021-03-16 19:17:19 -07:00
Wayne Warthen
63a31593b4 Update ZPM3 TCAP & add TCSELECT 
Updated tcap.z3t for ZPM3 slice.  Previous definition was VT-525.  New definition is specifically VT-100.
Credit to Marco Maccaferri for all of this.
 2021-03-16 10:57:40 -07:00
Wayne Warthen
18bca83deb Fix Build 2021-03-13 19:36:32 -08:00
Wayne Warthen
db800480bf ZZRCC Linux Build Fixes 2021-03-13 19:04:28 -08:00
Wayne Warthen
4edc408893 ZZRCC Build Improvements 
- Creation of hex load file is now automated.
 2021-03-13 16:42:06 -08:00
Wayne Warthen
9cf9893ed4 Miscellaneous 
- Update romldr to stop using address space >= 0xA000
- ZZRCC work in progress (not finished)
 2021-03-12 15:11:15 -08:00
Wayne Warthen
bc2e7a89cc CP/M 3 Time Routines Cleanup 2021-03-11 15:02:03 -08:00
Wayne Warthen
65db7a3b15 Implement CP/M 3 RTC date setting 2021-03-10 16:42:27 -08:00
Wayne Warthen
db659da876 Build script improvements 
- Allow building a 128KB ROM with 0KB ROM disk
- Move Z280 UART driver to top of device list to make it the highest priority driver for Z280 platforms
 2021-03-08 10:25:13 -08:00
Wayne Warthen
82a8792153 Fix Z280 Cold Restart 2021-03-07 19:01:29 -08:00
Wayne Warthen
0053a840b7 Support ZZRCC 2021-03-07 16:21:49 -08:00
Wayne Warthen
33ef02cfc0 Implement BOOTCON 
Added BOOTCON config variable to allow setting the boot console device.  This replaces FORCECON and removes the code that used to rearrange the PCINITTBL.
 2021-03-03 15:12:57 -08:00
Wayne Warthen
12d1ce4000 Build Process Tweaks 2021-02-25 14:37:33 -08:00
Wayne Warthen
d4e7cb8d5f Tweaks 
- Small optimization in Z180 invalid opcode handler
- Improve ZRC disk image generation script
 2021-02-25 13:28:04 -08:00
Wayne Warthen
953dd70052 Z180 Invalid Opcode Tweaks 
Thanks and credit to Phillip Stevens for his significant contributions to this enhancement.
 2021-02-22 18:49:31 -08:00
Wayne Warthen
e17fee85e9 Add Z180 Invalid Opcode Handler 2021-02-22 14:18:01 -08:00
Wayne Warthen
6a46f8b74c Z280 UART Flow Control 
- Implement RTS flow control on Z280 UART using C/T 2 output pin.  Must be supported on PCB and wired properly at serial adapter.
 2021-02-21 13:18:57 -08:00
Wayne Warthen
a1a25465da Bug Fixes 2021-02-20 16:49:36 -08:00
Wayne Warthen
c9a62b6b08 Fix Unix Build 2021-02-19 18:56:13 -08:00
Wayne Warthen
9da58082a7 Z280 Cleanup 2021-02-19 15:47:33 -08:00
Wayne Warthen
f20addf39d Support ZZ80MB 2021-02-18 17:29:08 -08:00
Wayne Warthen
0d6c792282 Z280 Tweaks 
- Interrupt routines that change the Z280 I/O page register now save and restore the original value.
 2021-02-13 17:14:59 -08:00
Wayne Warthen
50abfd7e39 Update hbios.asm 
- Remove LED macro temporary diagnostic.
 2021-02-11 15:27:59 -08:00
Wayne Warthen
8e7e9039f9 Additional SK Z80-512K Support 
- Added support for UART clock divider (CLK2).
 2021-02-11 14:28:26 -08:00
Wayne Warthen
4791d5f040 Perliminary support for Sergey's Z80-512K 
- Watchdog functionality will be enabled if a system timer is operational.
- LED indicates boot progress and thereafter disk I/O.
 2021-02-10 15:47:23 -08:00
Wayne Warthen
d21318b753 Bump Version Number 2021-02-09 16:44:01 -08:00
Phillip Stevens
f6ecaa7cb5 acia - make reset consistent / correct 2021-02-10 02:58:57 +11:00
Phillip Stevens
38531bc983 acia - receive test optimisation 2021-02-09 18:11:40 +11:00
Phillip Stevens
36ba566c95 acia - assert RTS fix 2021-02-09 18:04:02 +11:00
Phillip Stevens
b41f865c1d acia.asm whitespace 2021-02-09 17:59:54 +11:00
Phillip Stevens
74d25aa2df fix divergence from wwarthen-dev 2021-02-09 17:51:16 +11:00
Phillip Stevens
0d26818e81 updates to dev 2021-02-09 17:30:49 +11:00
Phillip Stevens
7ceaa06800 Merge pull request #30 from wwarthen/master 
update to dev
 2021-02-09 16:58:11 +11:00
Phillip Stevens
bec1c46d21 acia - whitespace 2021-02-09 16:44:05 +11:00
Wayne Warthen
2ac9f33be7 Mo' Faster 
- Some minor Z280 speed optimizations.
 2021-02-05 18:20:03 -08:00
Wayne Warthen
7956074746 Miscellaneous 
- Fix minor ACIA bug that only occurs if setting a non-standard baud rate.
- Enhance Z280 UART driver to use C/T for more baud rates and to use Z280 opcodes to speed up interrupt handler a bit.
 2021-02-04 13:35:21 -08:00
Wayne Warthen
4cc21948bc Z280 Optimizations 
- New Z280 bank selection routine that does not require gigantic table and is about as fast.
- Bump Z280 UART driver to 128 byte buffer.
- Truncate unused portion of Z280 IVT at end.
 2021-02-02 16:52:25 -08:00
Wayne Warthen
166bfe5abd Config File Cleanup 2021-02-01 14:28:39 -08:00
Wayne Warthen
c43283b3ec Enable ACIA on Interrupt Modes 2 & 3 
ACIA driver will now allow use of the driver in interrupt modes 2 & 3, but will operate in polling mode.
 2021-02-01 09:48:46 -08:00
Wayne Warthen
b91ad2aba0 Fix Typo 2021-01-31 15:38:20 -08:00
Wayne Warthen
6e6e3d2059 Cleanup 2021-01-31 15:12:55 -08:00
Wayne Warthen
8945580ff5 Z280 Cleanup 
- Z280 UART MODE command support
- BNKCALL handles calls into HBIOS using system mode
 2021-01-30 16:17:34 -08:00
Wayne Warthen
8fa14863f8 Add System Timer to Z280 IM3 
- Z280 counter/timer is now used to implement 50Hz system timer based on CPU oscillator.
- Bug fix in EI <mask> opcodes.
 2021-01-28 16:41:33 -08:00
Wayne Warthen
7e2bad5643 Merge pull request #187 from b1ackmai1er/dev 
updater xmodem loop optimization + Minors
 2021-01-28 10:58:25 -08:00
Wayne Warthen
fe14a4b2a8 Z280 UART in all interrupt modes 
By using polling mode, the Z280 UART can be utilized in interrupts modes 0/1/2.
 2021-01-28 10:39:57 -08:00
b1ackmai1er
c6164ae2ab Update hbios.asm 
fixup
 2021-01-28 19:38:31 +08:00
b1ackmai1er
9e05028c05 Update usrrom.asm 
fixup
 2021-01-28 19:34:23 +08:00